Western Zone Zone Girls 10 & under - 50 Y Breast
These rankings show the swimmers' placement within their Zone.They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 701 | Claire Wang | 47.00 | 9 | BB Min | A: 42.79 (+4.21s | 9.0%) | Aces Swim Club | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 702 | Lola Berkstresser | 47.01 | 9 | BB Min | A: 42.79 (+4.22s | 9.0%) | North Jeffco Swim Team | 02/07/2025 | 2025 CO NJ Groundhog Invite | |
| 703 | Ava Hu | 47.02 | 10 | BB Min | A: 42.79 (+4.23s | 9.0%) | Daly City Dolphins | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 704 | Sydney Smith | 47.02 | 8 | BB Min | A: 42.79 (+4.23s | 9.0%) | Walla Walla Swim Club | 12/05/2025 | 2025 SWAT Winter Invite | |
| 705 | Justice Madamba | 47.03 | 9 | BB Min | A: 42.79 (+4.24s | 9.0%) | Punahou Aquatics Institute | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 706 | Amelia Aristarkhova | 47.03 | 9 | BB Min | A: 42.79 (+4.24s | 9.0%) | Bure-Aqua Academy | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 707 | Julia Frano | 47.03 | 11 | BB Min | A: 42.79 (+4.24s | 9.0%) | Hawaii Swimming Club | 01/18/2026 | January A+ Meet | |
| 708 | Sydney Overbeek | 47.04 | 9 | BB Min | A: 42.79 (+4.25s | 9.0%) | Pikes Peak Athletics | 01/10/2026 | 2026 CO PPA January Meet | |
| 709 | Emma Nakano | 47.05 | 10 | BB Min | A: 42.79 (+4.26s | 9.1%) | Olympic Cascade Aquatics | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 710 | Mavis McClafferty | 47.06 | 10 | BB Min | A: 42.79 (+4.27s | 9.1%) | Columbia River Swim Team | 10/11/2025 | LA Fall Kick Off 2025 | |
| 711 | Molly Hall | 47.06 | 10 | BB Min | A: 42.79 (+4.27s | 9.1%) | Front Range Barracudas | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 712 | Tiana Shah | 47.06 | 10 | BB Min | A: 42.79 (+4.27s | 9.1%) | San Ramon Valley Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 713 | Soomin Han | 47.06 | 9 | BB Min | A: 42.79 (+4.27s | 9.1%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 714 | Nora Ghermanschi | 47.06 | 9 | BB Min | A: 42.79 (+4.27s | 9.1%) | Legacy Aquatics | 01/18/2025 | 2025 Thunderbolt Round Robin Invitational | |
| 715 | Averie Mak | 47.07 | 9 | BB Min | A: 42.79 (+4.28s | 9.1%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 716 | Juliette Roslyn | 47.07 | 10 | BB Min | A: 42.79 (+4.28s | 9.1%) | North Bay Aquatics | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 717 | Kyla Parnell | 47.07 | 9 | BB Min | A: 42.79 (+4.28s | 9.1%) | Pacific Swim | 12/04/2025 | 2025 Holiday Swim Festival | |
| 718 | Lili Wei | 47.09 | 9 | BB Min | A: 42.79 (+4.30s | 9.1%) | Bellevue Club Swim Team | 10/12/2024 | 2024 PN CSC Fall Classic Invitational | |
| 719 | Emily Hu | 47.11 | 10 | BB Min | A: 42.79 (+4.32s | 9.2%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 720 | Harper Hillis | 47.11 | 9 | BB Min | A: 42.79 (+4.32s | 9.2%) | Unattached | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | |
| 721 | Linda Mandelli | 47.13 | 10 | BB Min | A: 42.79 (+4.34s | 9.2%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 722 | Lanxuan Shen | 47.13 | 9 | BB Min | A: 42.79 (+4.34s | 9.2%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 723 | Naiya Keys | 47.13 | 9 | BB Min | A: 42.79 (+4.34s | 9.2%) | Baker YMCA Swim Team | 05/03/2025 | 2025 Baker Dive Dash Progressive Swim Meet | |
| 724 | Julia Larson | 47.13 | 10 | BB Min | A: 42.79 (+4.34s | 9.2%) | Waves Aquatics Napa Valley | 09/20/2025 | WANV CBA+ Endless Summer Meet | |
| 725 | Aashna Agrawal | 47.14 | 10 | BB Min | A: 42.79 (+4.35s | 9.2%) | Stingray Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | |
| 726 | Mishka Koli | 47.15 | 10 | BB Min | A: 42.79 (+4.36s | 9.2%) | Diablo Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 727 | Sofia Davlos | 47.16 | 10 | BB Min | A: 42.79 (+4.37s | 9.3%) | Seals Aquatics | 09/27/2025 | Neptune Swimming Fall Classic | |
| 728 | Jenna Littlejohn | 47.16 | 10 | BB Min | A: 42.79 (+4.37s | 9.3%) | Eugene City Swim Club | 02/08/2026 | 2026 AAA SC Final Countdown Open | |
| 729 | Kiko Kurata | 47.18 | 9 | BB Min | A: 42.79 (+4.39s | 9.3%) | Splash Aquatics | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 730 | Alana Duffy | 47.19 | 10 | BB Min | A: 42.79 (+4.40s | 9.3%) | Punahou Aquatics Institute | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 731 | Eva Li | 47.19 | 10 | BB Min | A: 42.79 (+4.40s | 9.3%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 732 | Evie Kwok | 47.19 | 9 | BB Min | A: 42.79 (+4.40s | 9.3%) | California Dolphins Swim Team | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 733 | Anj Messersmith | 47.20 | 9 | BB Min | A: 42.79 (+4.41s | 9.3%) | Island Aquatics | 02/07/2026 | 2026 MAGSA A B SCY LAST CHANCE MEET | |
| 734 | Ellie Hsu | 47.25 | 10 | BB Min | A: 42.79 (+4.46s | 9.4%) | Bellevue Club Swim Team | 11/22/2025 | 2025 PN November AGI, Div 3 (UPAC) | |
| 735 | Piper McQueen | 47.26 | 10 | BB Min | A: 42.79 (+4.47s | 9.5%) | Apex | 01/23/2026 | 2026 TTSC Winter Qualifier | |
| 736 | Kennedy Schull | 47.27 | 8 | BB Min | A: 42.79 (+4.48s | 9.5%) | Lake Oswego Swim Club | 01/02/2026 | 2026 CST Shark Chase Invitational | |
| 737 | Eliza Mohr | 47.30 | 10 | BB Min | A: 42.79 (+4.51s | 9.5%) | Team Eugene Aquatics | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 738 | Romy Siebert | 47.33 | 10 | BB Min | A: 42.79 (+4.54s | 9.6%) | Univ. of Denver Hilltoppers | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 739 | Harlow Herman | 47.33 | 10 | BB Min | A: 42.79 (+4.54s | 9.6%) | Aquawolves Swimming | 01/16/2026 | 2026 CO CUDA Classic | |
| 740 | Alyssa Nakajima | 47.33 | 8 | BB Min | A: 42.79 (+4.54s | 9.6%) | Tualatin Hills Swim Club | 11/07/2025 | 2025 THSC November Open | |
| 741 | Ellyson Bridges | 47.34 | 9 | BB Min | A: 42.79 (+4.55s | 9.6%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 742 | Sydney Hanneman | 47.34 | 9 | BB Min | A: 42.79 (+4.55s | 9.6%) | SlipStream Aquatics | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 743 | Jillian Parkin | 47.34 | 9 | BB Min | A: 42.79 (+4.55s | 9.6%) | Chinook Aquatic Club | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 744 | Lois Virgino | 47.35 | 10 | BB Min | A: 42.79 (+4.56s | 9.6%) | Maui Swim Club | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 745 | Ada Yeung | 47.35 | 10 | BB Min | A: 42.79 (+4.56s | 9.6%) | Montclair Swim Team | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 746 | Jocelyn Miller | 47.35 | 10 | BB Min | A: 42.79 (+4.56s | 9.6%) | Wave Aquatics | 12/06/2025 | 2025 PN Fall Divisionals, Division 3 WAVE | |
| 747 | Grace Dauro | 47.36 | 9 | BB Min | A: 42.79 (+4.57s | 9.6%) | Denver Swim Academy | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 748 | Liana Ybanez | 47.36 | 9 | BB Min | A: 42.79 (+4.57s | 9.6%) | Brentwood Seawolves | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 749 | Anna Jencks | 47.36 | 10 | BB Min | A: 42.79 (+4.57s | 9.6%) | Kamehameha Swim Club | 01/18/2026 | January A+ Meet | |
| 750 | Ellisha Fu | 47.41 | 10 | BB Min | A: 42.79 (+4.62s | 9.7%) | South San Francisco Aquatics | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.